Electric fuse



H. T. BUSSMANN ELECTRIC FUSE Julie 16, 1925. 1,542,608

Original Filed May '7. 1919 .9 ,5 .9 41 L4: J f O O flE/WPY T5055 MFA/A4 Patented June 1 6, 1925. a

Original application filed m 7, 191 9,

- improved fuse link an showing a cross section thereof. a

vide an insulatin material as at" 5. "insulating-material. serves two purposes, It

um'ran srAT s PATENT tram-,1

HmY- T. BIISSHAIIN, OF ST. LOUIS, MISSOURI.

' ELI-(H310 ruse.

To all it may concern: 1 I

Be it known that I, HENRY T. BUBSMANN,

a citizen of the United States,-residing at a fuse lin that Wlll operate satisfactorily under. any conditions;

In 'the drawings, Fi 1 is a view of my Fig. 2 a side vie This fuse link has a center portion 3 of greater cross section than the balance of the 'nk.' Nearthe terminal portions 4, I gothereof.

Serial Io. 285,868. Divided andthil application filed January 17,

1922. Serial Hm 529,989.

conducts the heat away from the portion of the link to which it. is attached, which feature, combined withthe greater cross sec- 2 tion' of the center portion, causes the strip to melt at the two points 6, 6. It also acts as an'arcishield, preventing injury to the terminals of the fuse, that would otherwise -be caused'by the are, following themelting of the fuse; I t v. I It will be understood that I may vary the location and quantity of insulating material 7 about the link without de arting from the scope of my invention, an it is equally ob- 35 vious that I may use my fuse as an opens link fuse or in van enclosed fuse.

*What I claim is: A fuse link having end portions and an intermediate ortion',--the end'portion-being Q off-substantial y uniform reduced cross section and an arc shield upon" an'end portion HENRY BUSSMANN. 

